![]() The “n” is the most significant nibble and “m” is the least significant nibble As an example, the PRV binary value field for product revision “6.2” will be: 0110 0010b The product revision is composed of two Binary Coded Decimal (BCD) digits, four bits each, representing an The product name is a string, 5-character ASCII string. Ltd., SanDisk Corporation and Toshiba Corporation. Note: SD-3C, LLC licenses companies that wish to manufacture and/or sell SD Memory Cards, including but not limited to flash memory, ROM, OTP, RAM, and SDIO Combo Cards SD-3C, LLC is a limited liability company established by Matsushita Electric Industrial Co. ![]() This procedure is established to ensure uniqueness of the CID register. ![]() The OID number is controlled, defined, and allocated to a SD Memory Card manufacturer by the SD-3C, LLC. This procedure is established to ensure uniqueness of the CID register.Ī 2-character ASCII string that identifies the card OEM and/or the card contents (when used as a distribution media either on ROM or FLASH cards). The MID number is controlled, defined, and allocated to a SD Memory Card manufacturer by the SD-3C, LLC. The structure of the CID register is defined in the following paragraphs:īinary number of 8-bit that identifies the manufacturer of the card. Every individual Read/Write (RW) card shall have a unique identification number. It contains the card identification information used during the card identification phase. The Card Identification (CID) register is 128 bits wide.
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